(p+2q-r)=

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Solution for (p+2q-r)= equation:


Simplifying
(p + 2q + -1r) = 0

Remove parenthesis around (p + 2q + -1r)
p + 2q + -1r = 0

Solving
p + 2q + -1r = 0

Solving for variable 'p'.

Move all terms containing p to the left, all other terms to the right.

Add '-2q' to each side of the equation.
p + 2q + -2q + -1r = 0 + -2q

Combine like terms: 2q + -2q = 0
p + 0 + -1r = 0 + -2q
p + -1r = 0 + -2q
Remove the zero:
p + -1r = -2q

Add 'r' to each side of the equation.
p + -1r + r = -2q + r

Combine like terms: -1r + r = 0
p + 0 = -2q + r
p = -2q + r

Simplifying
p = -2q + r

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